Corresponding Author

Department of Geography, U.F.R. Sciences and Technologies, Assane Seck University of Ziguinchor, Geomatics and Environment Laboratory (LGE), BP 523 Ziguinchor, Senegal.

E-mail: pm.d11@zig.univ.sn, Tel: +22177 77797 72

Department of Geography, U.F.R. Sciences and Technologies, Assane Seck University of Ziguinchor, Geomatics and Environment Laboratory (LGE), BP 523 Ziguinchor, Senegal.

E-mail: cheikh.faye@univ-zig.sn

Geomatics Engineer at the Agence Nationale de l'Aménagement du Territoire (ANAT), Senegal.

E-mail: moundorsarrdk@gmail.com